AutoCodes – GMC – C0896 GMC

C0896 GMC Code - Device Voltage Range

Quick Answer

The Transfer Case Shift Control Module (TCCM) monitors the battery voltage feed to the TCCM. Common causes include Faulty Transfer Case Shift Control Module (TCCM), Transfer Case Shift Control Module (TCCM) harness is open or shorted, Transfer Case Shift Control Module (TCCM) circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: C0896 GMC indicates Device Voltage Range.
Common causes: Common causes include Faulty Transfer Case Shift Control Module (TCCM), Transfer Case Shift Control Module (TCCM) harness is open or shorted, Transfer Case Shift Control Module (TCCM) circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 2,398

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jun 27, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
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Code C0896 GMC Description

The Transfer Case Shift Control Module (TCCM) monitors the battery voltage feed to the TCCM. This DTC detects if the battery voltage is out of range. This could indicate a vehicle wide issue in which all electrical components would be affected, or it could be TCCM specific due to poor power or ground connections.

OBDII Code C0896 GMC - Device Voltage Range - AutoCodes.com — C0896 GMC Code - Device Voltage Range

What does this mean?

What are the Possible Causes of the DTC C0896 GMC?

Faulty Transfer Case Shift Control Module (TCCM)
Transfer Case Shift Control Module (TCCM) harness is open or shorted
Transfer Case Shift Control Module (TCCM) circuit poor electrical connection

How to Fix the DTC C0896 GMC?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0896 GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.